Laura Monika Grzyb (born April 29, 1995) is a Polish professional boxer, professional mixed martial artist, and former kickboxer. She is the current IBO female super bantamweight champion. She currently competes in the Flyweight division of Konfrontacja Sztuk Walki (KSW). She is a former European female super bantamweight champion.
Boxing career Early career Grzyb made her professional debut on March 23, 2019, against Branka Arambašić. Grzyb won the fight via a first-round knockout.
Her next fight came on October 19, 2019, against Valeria Aletta Kovacs. Grzyb won the fight via a first-round TKO.
Her next fight came on July 10, 2020, against Bojana Libiszewska. Grzyb won the fight via a third-round TKO.
Her next fight came on September 26, 2020, against Monica Gentili. Grzyb won the fight via a Unanimous Decision.
Her next fight came on December 18, 2020, against Enerolisa de Leon. Grzyb won the fight via a Unanimous Decision.
Following a year and a half long hiatus, she returned to the ring on March 26, 2022, against Vanesa Caballero. Grzyb won the fight via a Unanimous Decision.
Her next fight came on June 24, 2022, against Martine Vallieres-Bisson. Grzyb won the fight via a Unanimous Decision.
Her next fight came on October 29, 2022, against Marian Herrería. Grzyb won the fight via a Unanimous Decision.
European super bantamweight champion Grzyb faced Maria Cecchi on April 22, 2023, for the vacant European female super bantamweight championship. Grzyb won the fight via a Split Decision, winning her first career championship in the process.
Her first title defense came on October 7, 2023, against Stevi Levy. Grzyb won the fight via a Unanimous Decision, successfully defending her championship in the process.
IBO international super bantamweight champion Grzyb faced Sarai Umpierrez on October 26, 2024, for the vacant IBO international super bantamweight championship. Grzyb won the fight via a Unanimous Decision, winning her second career championship in the process.
IBO super bantamweight champion Following a year and a half long hiatus, Grzyb returned to the ring on March 15, 2026, where she faced Simamkele Tuntsheni for the vacant IBO female super bantamweight championship. Grzyb won the fight via a Unanimous Decision, winning her third career championship, and first world championship in the process.
Mixed martial arts career Early career On February 12, 2025, it was announced that Grzyb had signed with polish federation Konfrontacja Sztuk Walki (KSW).
Her professional debut came on April 26, 2025, against Gabriela Hristea. Grzyb won the fight via a Unanimous Decision.
Her next fight came on October 18, 2025, against Karolína Vaňková. Grzyb won the fight via a first-round knockout. This performance earned her her first Knockout of the Night bonus.
Her next fight came on July 18, 2026, against Rayla Nascimento. Grzyb lost the fight via a second-round submission, suffering her first professional loss across every formula.
Kickboxing career Grzyb made her professional kickboxing debut on June 15, 2024, against Oliwia Stawska under the federation Fight Exclusive Night (FEN MMA). Grzyb won the fight via a Unanimous Decision.
Championships and accomplishments Boxing International Boxing Organization IBO female super bantamweight championship (One time; current) IBO international super bantamweight championship (One time; former) European Boxing Union European female super bantamweight championship (One time; former) One successful title defense
Mixed martial arts Konfrontacja Sztuk Walki Knockout of the Night (One time)
Mixed martial arts record
|Loss |align=center|2–1 |Rayla Nascimento |Submission (rear-naked choke) |KSW 120 | |align=center|2 |align=center|4:42 |Gdynia, Poland
|Win |align=center|2–0 |Karolína Vaňková |KO (punch to the body) |KSW 111 | |align=center|1 |align=center|0:56 |Třinec, Czech Republic
|Win |align=center|1–0 |Gabriela Hristea |Decision (unanimous) |KSW 105 | |align=center|3 |align=center|5:00 |Gliwice, Poland |
Professional boxing record
ResultRecordOpponentTypeRound, timeDateLocationNotes12Win12–0Simamkele TuntsheniUD1015 Mar 202611Win11–0Sarai UmpiérrezUD826 Oct 202410Win10–0Stevi LevyUD107 Oct 20239Win9–0Maria Cecchi1022 Apr 20238Win8–0Marian HerreríaUD829 Oct 20227Win7–0Martine Vallieres-BissonUD824 Jun 20226Win6–0Vanesa CaballeroUD626 Mar 20225Win5–0Enerolisa de LeonUD1018 Dec 20204Win4–0Monica Gentili826 Sep 20203Win3–0Bojana LibiszewskaTKO3 (6), 10 Jul 20202Win2–0Valeria Aletta Kovacs1 (4), 19 Oct 20191Win1–0Branka Arambašić1 (4), 23 Mar 2019
Kickboxing record
|- bgcolor="#cfc" | 2024-06-15 || Win ||align=left| Oliwia Stawska || FEN MMA 55 || Ostróda, Poland || Decision (unaniomus)||3 ||3:00
See also List of female mixed martial artists List of current Konfrontacja Sztuk Walki fighters List of female boxers
References
External links